| Patents for D21H 21 - Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties (20,755) |
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| 03/15/2001 | WO2001018312A1 Transparent paper and method for the production thereof |
| 03/15/2001 | WO2001018311A1 Use of cationic hydroxyalkylated starches for improved emulsification of sizing agents |
| 03/15/2001 | WO2001018310A1 Surface finishing of paper or board, and agent for this purpose |
| 03/15/2001 | WO2001018093A1 Method for obtaining polyamidoamine-epichlorhydrin resin suited for making wet-strength paper with low monochloro-3-propanediol-1,2 content |
| 03/15/2001 | WO2001018064A1 Water soluble anionic or nonionic dispersion polymer |
| 03/15/2001 | WO2001018063A1 Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or nonionic dispersion polymers |
| 03/15/2001 | DE19943254A1 Bleichaktive Metallkomplexe Bleaching Active Metal Complexes |
| 03/15/2001 | DE19942989A1 Transparent paper useful for back-lit applications, has transparent layer of tightly packed, highly milled fibers containing filler reducing transparency |
| 03/14/2001 | EP1083173A2 Metal complexes with bleaching activity |
| 03/14/2001 | EP1082493A1 Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids |
| 03/14/2001 | EP1082492A1 Paper making method using a retention system comprising bentonite and a cationic galactomannan |
| 03/14/2001 | CN1287585A Silica-acid colloid blend in a microparticle system used in papermaking |
| 03/14/2001 | CN1287200A Fluorescent liquid brightener and its synthesis |
| 03/14/2001 | CN1287199A Enzymatic wet paper napkin and its production process |
| 03/14/2001 | CN1063251C Rosin series neutral glueing agent and its producing process |
| 03/13/2001 | US6201060 Polyetherurethanes |
| 03/13/2001 | US6200938 Amphoteric derivatives of aliphatic polyamines with fatty acids, esters or triglycerides for consumer products and industrial applications |
| 03/13/2001 | US6200628 Use of inorganic particles and method for making and identifying a substrate or an article |
| 03/13/2001 | US6200420 Method of using an anionic composite to increase retention and drainage in papermaking |
| 03/13/2001 | US6200418 Hydrophilic, humectant, soft, pliable, absorbent paper having wet strength agents and method for its manufacture |
| 03/13/2001 | US6199911 Security element for security paper |
| 03/08/2001 | WO2001016426A1 Safety element and a valuable object |
| 03/08/2001 | WO2001016425A1 Method of producing paper, paperboard and cardboard |
| 03/08/2001 | WO2001016349A1 Method for production of maltose and/or enzymatically modified starch |
| 03/08/2001 | WO2001016348A1 Maltogenic amylase-modified starch derivatives |
| 03/08/2001 | WO2000050521A9 Marine antifouling methods and compositions |
| 03/08/2001 | CA2382672A1 Method of producing paper, paperboard and cardboard |
| 03/07/2001 | EP1081283A1 Sizing agent composition for printing paper |
| 03/07/2001 | EP1080272A1 A process for the production of paper |
| 03/07/2001 | EP1080271A1 A process for the production of paper |
| 03/07/2001 | EP1080270A1 A process for the production of paper |
| 03/07/2001 | EP1080269A1 Security paper having embedded security feature and method of preparing same |
| 03/07/2001 | CN1062927C Antifalsification paper and tape, and method for making same |
| 03/07/2001 | CN1062926C Fluorescent whitening of paper |
| 03/06/2001 | US6197919 Resins of amphoteric aldehyde polymers and use of said resins as temporary wet-strength or dry-strength resins for paper |
| 03/06/2001 | US6197880 Method and composition for coating pre-sized paper using azetidinium and/or guanidine polymers |
| 03/06/2001 | US6197417 Paper sizing |
| 03/06/2001 | US6197383 Method and composition for coating pre-sized paper with a mixture of a polyacid and a polybase |
| 03/06/2001 | US6197155 Gloss, smoothness, ink absorption; used in offset printing |
| 03/01/2001 | WO2001014641A1 Tissue products having increased absorbency |
| 03/01/2001 | WO2001014640A1 Use of polyolesters as hydrophobing agents for paper |
| 03/01/2001 | WO2001014639A1 Use of diels-alder adducts for producing paper |
| 03/01/2001 | WO2001014274A1 Multi-phase calcium silicate hydrates, methods for their preparation, and improved paper and pigment products produced therewith |
| 03/01/2001 | WO2001014131A1 Quality crepe paper making method |
| 03/01/2001 | WO2001013966A1 Wet-formed absorbent composite |
| 03/01/2001 | DE19941295A1 Sicherheitselement The security element |
| 03/01/2001 | DE19941194A1 Coating of moving paper/cardboard web surfaces uses a liquid or paste coating medium which is foamed for application and which retains its foam structure after drying |
| 03/01/2001 | DE19940955A1 Verfahren zur Herstellung von Papier, Pappe und Karton Process for the manufacture of paper and cardboard |
| 02/28/2001 | EP1079021A1 Photocatalytic pulp composition, foam using said composition, moulded pulp using said composition and moulded pulp foam using said foam as well as processes for producing said photocatalytic pulp composition, said foam, said moulded pulp and said moulded foam and apparatus for producing said composition |
| 02/28/2001 | EP1078008A2 Derivatized microfibrillar polysaccharide |
| 02/28/2001 | EP1068393A4 Asa size emulsification with a natural gum for paper products |
| 02/28/2001 | CN1285888A Oxidized galactose type of alcohol configuration containing polymer in combination with cationic polymers for paper strength applications |
| 02/28/2001 | CN1285887A Method of producing paper having three-dimensional pattern |
| 02/28/2001 | CN1285877A Use of oxidation promoting chemicals in the oxidation of oxidizable galactose type of alcohol configuration containing polymer |
| 02/28/2001 | CN1285854A Process of repulping wet strenlgth paper |
| 02/28/2001 | CN1285848A Oxidation in solid state of oxidizable galactose type of alcohol configuration containing polymer |
| 02/28/2001 | CN1285449A Reinforced floor with ultrahigh wear-resistant and steeping-resistant property and making method thereof |
| 02/28/2001 | CN1285437A Optic catalysing paper pulp composition, its foam body and method and apparatus for producing same |
| 02/28/2001 | CN1062488C Process for reducing halogen content in aqueous solution of nitrogen-containing epihalogenohydrine resin and the use thereof |
| 02/27/2001 | US6194554 Disazo dyes |
| 02/27/2001 | US6194057 Gradients of high strength additive; adhesive bonding surface |
| 02/27/2001 | US6193844 Method for making paper using microparticles |
| 02/27/2001 | US6193838 Moving a foraminous support for tensile strength |
| 02/27/2001 | US6193837 Preparation of brightness stabilization agent for lignin containing pulp from biomass pyrolysis oils |
| 02/22/2001 | WO2001012900A1 Formulations of fluorescent whitening agents |
| 02/22/2001 | DE19939536A1 Aqueous dispersion for softening synthetic and natural fibers comprises glycerin monoester and/or diester with 8-22C fatty acids and cationic softener |
| 02/22/2001 | DE19939308A1 Use of polyolesters as hydrophobicizing agents for paper |
| 02/22/2001 | DE19939307A1 Diels-Alder adducts used as hydrophobicizing agents for paper and novel preparation of such adducts using catalyst mixture of alkylphenols and phosphonic acids |
| 02/21/2001 | EP1077286A1 Aldehyde modified cellulose pulp for the preparation of high strength paper products |
| 02/21/2001 | EP1077285A1 Paper prepared from aldehyde modified cellulose pulp and the method of making the pulp |
| 02/21/2001 | EP1077221A1 Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking |
| 02/21/2001 | CN1285018A Compositions and processes for increasing hot stock sizing effectiveness |
| 02/21/2001 | CN1285017A Creping aid and process for producing creped paper |
| 02/21/2001 | CN1284975A Process to reduce the aox level of wet-strength resins by treatment with base |
| 02/21/2001 | CN1284587A 纸制品防伪技术 Paper products, anti-counterfeiting technology |
| 02/20/2001 | US6191244 Polymer compositions |
| 02/20/2001 | US6190890 Amino acid sequence of enzyme with carboxymethyl cellulase, endoglucanase, and beta-glucanase activity; from aspergillus; food processing like vegetable or fruit juice manufacture; antifouling agents for membranes |
| 02/20/2001 | US6190735 Mixing liquid suspension of fibrous material with treatment over specified time, depositing suspension onto forming surface to form layer, removing liquid, applying pressurized jets of liquid to fibers to wash and hydraulically entangle |
| 02/20/2001 | US6190561 Ion exchanging |
| 02/20/2001 | US6190499 Hydrophilic, humectant, soft, pliable, absorbent paper having wet strength agents and method for its manufacture |
| 02/20/2001 | CA2187182C Web printing paper coated on both sides and process for its manufacture |
| 02/20/2001 | CA2185139C Process for treating kaolin clays for pitch control and the treated clays |
| 02/17/2001 | CA2316111A1 Aldehyde modified cellulose pulp for the preparation of high strength paper products |
| 02/17/2001 | CA2316108A1 Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking |
| 02/15/2001 | WO2001011140A1 Use of whitening pigments for whitening paper coating compositions |
| 02/15/2001 | WO2001010854A1 Benzothiazole compounds and their use as optical brighteners |
| 02/15/2001 | DE19937261A1 Aqueous dye preparation for paper contains dye-containing polymer based on hydrophobic monomers and amphiphilic copolymer based on hydrophobic monomers, monomers with basic or quaternary nitrogen and other monomers |
| 02/15/2001 | DE19936289A1 Entschäumerformulierung Defoamer |
| 02/15/2001 | CA2378045A1 Use of whitening pigments for whitening paper coating compositions |
| 02/14/2001 | EP1076073A1 Defoaming compositions |
| 02/14/2001 | CN1284103A Prepn. and use of mixed apacifiers based on titanium and silica oxides |
| 02/13/2001 | US6187732 The variant cellulases have replacements at sensitive residues to improve stability and/or performance. |
| 02/13/2001 | US6187262 Inhibition of corrosion in aqueous systems |
| 02/13/2001 | US6187144 Using cationic starch which is cationized with a mixture of epichlorhydrin, trimethylamine, and mono-or dimethylamine or n,n,n',n'-tetramethylethylenediamine |
| 02/13/2001 | US6187143 Process for the manufacture of hydrophobic paper or hydrophobic board, and a sizing composition |
| 02/13/2001 | US6187140 Processes for creping a cellulosic web and to paper wiping products prepared thereby; method of increasing the wet strength of a creped sheet |
| 02/13/2001 | US6187138 Method for creping paper |
| 02/13/2001 | US6187059 Shading of paper |
| 02/08/2001 | WO2001009435A1 Recording paper comprising a combination of various security features |
| 02/08/2001 | WO2001009434A1 Process for controlling deposit of sticky material |